WordNet Affect: an Affective Extension of WordNet Carlo Strapparava author Alessandro Valitutti author 2004-05 text Proceedings of the Fourth International Conference on Language Resources and Evaluation (LREC’04) Maria Teresa Lino editor Maria Francisca Xavier editor Fátima Ferreira editor Rute Costa editor Raquel Silva editor European Language Resources Association (ELRA) Lisbon, Portugal conference publication strapparava-valitutti-2004-wordnet https://aclanthology.org/L04-1208/ 2004-05